# libavg - Media Playback Engine. # Copyright (C) 2003-2014 Ulrich von Zadow # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # Current versions can be found at www.libavg.de # import os from libavg import avg, player class BaseTouchVisualization(avg.DivNode): def __init__(self, event, parent=None, **kwargs): avg.DivNode.__init__(self, **kwargs) self.registerInstance(self, parent) event.contact.subscribe(avg.Contact.CURSOR_MOTION, self._onMotion) event.contact.subscribe(avg.Contact.CURSOR_UP, self._onUp) self.pos = avg.Point2D(event.pos) self._fingerSize = 7*player.getPixelsPerMM() # Assume 14mm width for a finger. self._radius = self._getRadius(event) def _abort(self): self.unlink(True) del self def _onMotion(self, event): self.pos = event.pos self._radius = self._getRadius(event) def _onUp(self, event): self.unlink(True) del self def _getRadius(self, event): if event.source in [avg.Event.MOUSE]: return self._fingerSize else: return max(self._fingerSize, event.majoraxis.getNorm()) class DebugTouchVisualization(BaseTouchVisualization): def __init__(self, event, **kwargs): BaseTouchVisualization.__init__(self, event, **kwargs) self.positions = [event.pos] if event.source == avg.Event.TOUCH: color = 'e5d8d8' else: color = 'd8e5e5' self.opacity = 0.5 self.__transparentCircle = avg.CircleNode(r=self._radius+20, fillcolor=color, fillopacity=0.2, opacity=0.0, strokewidth=1, sensitive=False, parent=self) self.__pulsecircle = avg.CircleNode(r=self._radius, fillcolor=color, color=color, fillopacity=0.5, opacity=0.5, strokewidth=1, sensitive=False, parent=self) if event.source in [avg.Event.TOUCH, avg.Event.TRACK]: self.__majorAxis = avg.LineNode(pos1=(0,0), pos2=event.majoraxis, color='FFFFFF', sensitive=False, parent=self) self.__minorAxis = avg.LineNode(pos1=(0,0), pos2=event.minoraxis, color='FFFFFF', sensitive=False, parent=self) if event.source == avg.Event.TOUCH: self.__handAxis = avg.LineNode(pos1=(0,0), pos2=self.__getHandVector(event), opacity=0.5, color='A0FFA0', sensitive=False, parent=self) fontPos = avg.Point2D(self.__pulsecircle.r, 0) if event.cursorid == -1: text = 'MOUSE' else: text = '%s %d' % (event.source, event.cursorid) avg.WordsNode(pos=fontPos, text=text, fontsize=9, parent=self) self.motionPath = avg.PolyLineNode(pos=self.positions, opacity=0.7, color=color, parent=kwargs['parent']) self.motionVector = avg.LineNode(pos1=(0,0) , pos2=-event.contact.motionvec, opacity=0.4, parent=self) pulseCircleAnim = avg.LinearAnim(self.__pulsecircle, 'r', 200, 50, self._radius) pulseCircleAnim.start() def unlink(self, kill=True): if self.motionPath: self.motionPath.unlink(True) super(DebugTouchVisualization, self).unlink(kill) def _onMotion(self, event): BaseTouchVisualization._onMotion(self, event) self.positions.append(event.pos) if len(self.positions) > 100: self.positions.pop(0) self.__pulsecircle.r = self._radius self.setAxisSecondPos(event) self.motionVector.pos2 = -event.contact.motionvec if event.source == avg.Event.TOUCH: self.__handAxis.pos2 = self.__getHandVector(event) self.motionPath.pos = self.positions def __getHandVector(self, event): return -avg.Point2D.fromPolar(event.handorientation, 30) def setAxisSecondPos(self, event): if event.source not in [avg.Event.MOUSE]: self.__majorAxis.pos2 = event.majoraxis self.__minorAxis.pos2 = event.minoraxis class TouchVisualization(BaseTouchVisualization): mediadir = os.path.join(os.path.dirname(__file__), os.path.pardir, 'data') sources = [avg.Event.TOUCH] bmp = avg.Bitmap(mediadir+"/TouchFeedback.png") def __init__(self, event, **kwargs): BaseTouchVisualization.__init__(self, event, **kwargs) if event.source in self.sources: self.__circle = avg.ImageNode(parent=self) self.__circle.setBitmap(self.bmp) self.__setRadius(self._radius) avg.LinearAnim(self.__circle, "opacity", 200, 0.7, 0.4).start() else: self.unlink(True) self._abort() def _onMotion(self, event): BaseTouchVisualization._onMotion(self, event) self.__setRadius(self._radius) def _onUp(self, event): def gone(self): BaseTouchVisualization._onUp(self, event) self.unlink(True) del self avg.fadeIn(self.__circle, 100, 1) avg.LinearAnim(self.__circle, "size", 100, self.__circle.size, (4,4)).start() avg.LinearAnim(self.__circle, "pos", 100, self.__circle.pos, (-2,-2)).start() player.setTimeout(100, lambda: gone(self)) def __setRadius(self, radius): self.__circle.pos = (-radius, -radius) self.__circle.size = (radius*2,radius*2) class TouchVisualizationOverlay(avg.DivNode): def __init__(self, isDebug, visClass, rootNode=None, parent=None, **kwargs): super(TouchVisualizationOverlay, self).__init__(**kwargs) self.registerInstance(self, parent) self.sensitive = False self.visClass = visClass if rootNode is None: rootNode = player.getRootNode() if isDebug: self.elementoutlinecolor='FFFFAA' avg.RectNode(parent=self, size=self.size, fillopacity=0.2, fillcolor='000000') rootNode.subscribe(avg.Node.CURSOR_DOWN, self.__onTouchDown) rootNode.subscribe(avg.Node.HOVER_DOWN, self.__onTouchDown) def unlink(self, kill=True): rootNode = player.getRootNode() if rootNode: rootNode.unsubscribe(avg.Node.CURSOR_DOWN, self.__onTouchDown) rootNode.unsubscribe(avg.Node.HOVER_DOWN, self.__onTouchDown) super(TouchVisualizationOverlay, self).unlink(kill) def __onTouchDown(self, event): self.visClass(event, parent=self)